Roth 401k Contribution Limits 2024. (however, you could be subject to lower contribution limits if you're deemed a highly compensated employee.) the result? As kiplinger has reported, if you are younger than 50, the maximum amount you can contribute to a roth 401(k) for 2024 is $23,000.

2024 roth 401(k) contribution limits. The contribution limit for simple 401 (k)s is $16,000 (up to $19,500 if you’re 50 or older).